I’d like to know ________ Chinese.
| A．when he began to learn |
| B．where did he begin to learn |
| C．when did he begin learning |
| D．for how long he began to learn |
In order to ____ the debt, the couple has worked hard for years with little food and only a small room to live in and never a moment's rest.
| A．pay for | B．pay back | C．pay | D．return back |
---What do you think of my suggestion?
--- Sorry. What's that? I ____ about something else.
| A．thought | B．am thinking | C．was thinking | D．had thought |
Never did we have to play "stand up", "sit down", "speak out". I don't ____ one student who didn’t try his best.
| A．hear from | B．feel like | C．think about | D．know of |
The professor has received the letter ____ to give a lecture in ftinceton Institute.
| A．being invited | B．to be invited | C．inviting him | D．invited |
Could it be in the restaurant in ____ you had dinner with me yesterday ____ you lost your handbag?
| A．that; which | B．which; that | C．where; that | D．that; where |